set_property IOSTANDARD LVCMOS33 [get_ports {led[0]}]
set_property IOSTANDARD LVCMOS33 [get_ports {led[1]}]
set_property IOSTANDARD LVCMOS33 [get_ports {led[2]}]
set_property IOSTANDARD LVCMOS33 [get_ports {led[3]}]
set_property IOSTANDARD LVCMOS33 [get_ports {led[4]}]
set_property IOSTANDARD LVCMOS33 [get_ports {led[5]}]
set_property IOSTANDARD LVCMOS33 [get_ports {led[6]}]
set_property IOSTANDARD LVCMOS33 [get_ports {led[7]}]

set_property PACKAGE_PIN T22 [get_ports {led[0]}]
set_property PACKAGE_PIN T21 [get_ports {led[1]}]
set_property PACKAGE_PIN U22 [get_ports {led[2]}]
set_property PACKAGE_PIN U21 [get_ports {led[3]}]
set_property PACKAGE_PIN V22 [get_ports {led[4]}]
set_property PACKAGE_PIN W22 [get_ports {led[5]}]
set_property PACKAGE_PIN U19 [get_ports {led[6]}]
set_property PACKAGE_PIN U14 [get_ports {led[7]}]


set_multicycle_path -setup -from [get_pins corerstn_ff_reg/C] -to [get_pins {corerstn_sync_reg[0]/D}] 10
set_multicycle_path -hold -end -from [get_pins corerstn_ff_reg/C] -to [get_pins {corerstn_sync_reg[0]/D}] 9
